n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 33 |
4 | 132 |
5 | 435 |
6 | 1466 |
7 | 5341 |
8 | 18656 |
9 | 58029 |
10 | 159430 |
11 | 392601 |
12 | 882036 |
13 | 1836159 |
14 | 3586506 |
15 | 6638885 |
16 | 11738656 |
17 | 19952441 |
18 | 32768742 |
19 | 52220113 |
20 | 81029700 |
21 | 122785131 |
22 | 182142906 |
23 | 265066605 |
24 | 379102400 |
25 | 533695525 |
26 | 740551526 |
27 | 1014046281 |
28 | 1371688948 |
29 | 1834642167 |
30 | 2428304010 |
[1,6,33,132,435,1466,5341,18656,58029,159430, 392601,882036,1836159,3586506,6638885,11738656, 19952441,32768742,52220113,81029700,122785131, 182142906,265066605,379102400,533695525,740551526, 1014046281,1371688948,1834642167,2428304010] |